1289743864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{9901}}^1$

素因数の和:10783

約数の個数: 32

約数和(自身を含む): 2548774800

約数和(自身を除く): 1259030936

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 857, 1714, 3428, 6856, 9901, 16283, 19802, 32566, 39604, 65132, 79208, 130264, 188119, 376238, 752476, 1504952, 8485157, 16970314, 33940628, 67881256, 161217983, 322435966, 644871932, 1289743864]

約数ペア:

[(1, 1289743864), (2, 644871932), (4, 322435966), (8, 161217983), (19, 67881256), (38, 33940628), (76, 16970314), (152, 8485157), (857, 1504952), (1714, 752476), (3428, 376238), (6856, 188119), (9901, 130264), (16283, 79208), (19802, 65132), (32566, 39604)]